X2=X=56要求过程

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专骂mm之徒 共回答了14个问题 | 采纳率78.6%
应该是x²-x=56吧?
x²-x=56
x²-x-56=0
(x-8)(x+7)=0
x=8或x=-7
1年前
爱情工作室 共回答了64个问题 | 采纳率
x²=x=56???错了吧
应该是x²+x=56,或者x²-x=56吧
x²+x=56
x²+x-56=0
(x+8)(x-7)=0
x=-8,x=7
x²-x=56
x²-x-56=0
(x-8)(x+7)=0
x=8,x=-7
1年前

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huenshui是JH 共回答了19个问题 | 采纳率89.5%
feature
n.特征,特点;容貌,面貌;(期刊的)特辑;故事片
distinction
n.区别;荣誉;特质;卓越,
property
n.特性,属性;财产,地产;[戏]道具;所有权
property 和 feature 都有 characteristic(特征)的意思 不过properties一般是指(普通的)特性的意思,feature一般指的是特别的/引人注目的特征/特性.distiction虽然有特质的意思但是通常作区别用.
比如说:
The properties of this cell phone is to receive and send messages.
这个手机的特性是接受和发送短信.
(在这里 是指一些普通的特性)
The special features of this cell phone is to play music.
这个手机的特征是可以听音乐.
(在这里 是指与众不同的特性.)
满意请采纳
英语翻译RT翻译,要求意境翻译正确
皮草1年前4
0123456cm 共回答了21个问题 | 采纳率85.7%
没必要往心里装更多的石头.
没必要心情这么沉重.别往心里放那么多的烦心事.
根据下列要求改写句子英语
根据下列要求改写句子英语

wyj121xo1年前1
ZGQRKJ 共回答了16个问题 | 采纳率93.8%
more careful than
the most
older than
smaller than
the tallest of
根据要求改写句子:(1) He did a lot of things the day befor yesterday.
根据要求改写句子:(1) He did a lot of things the day befor yesterday.(改写否定句)
(2)This dog needs a new home.(改为一般疑问句) (3)They must promise to(look after their new dog well).(对括号部分提问) (4)Peter likes cooking better than piaying.(保持句意不变) (5)An SPCA officer found this cat (in the street).(对括号部分提问) (6)They had no food or drink.(保持句意不变)
倚窗看景1年前1
随便BT 共回答了15个问题 | 采纳率93.3%
1.He didn't do a lot of things the day befor yesterday.
2.Does this dog need a new home?
3.What do they promise to do?
4.Peter prefers cooking to playing.
5.Where did an SPCA officer find the cat?
6.They have neither food nor drink.
图纸要求依据ISO 2768-mK-E,
图纸要求依据ISO 2768-mK-E,
我知道ISO 2768-mK
表示 图纸上未标注公差的线性尺寸和角度尺寸选用ISO 2768-1中的m级
图纸上未标注公差的几何形状和位置公差选用ISO 2768-2中的K级
QQlavender1年前1
笨才子 共回答了24个问题 | 采纳率79.2%
ISO 2768标准的6.3条:
如果要求-E 适用于所有的单一尺寸零件1,应在图纸标题栏中进行如下标注:
例:ISO 2768-mk-E
注 -要求-E不能用于单个平直度公差大于其尺寸公差的零件,如毛坯材料储存.
英语写作 Competition is taking all the fun out of recreation.要求:
英语写作 Competition is taking all the fun out of recreation.要求:100-120字
chendp44821年前1
29468530 共回答了16个问题 | 采纳率100%
Recreation is an activity of leisure,.Recreational activities are supposed to be good for the health of our body and mind.Most importantly they should be done for enjoyment,amusement,or pleasure and are considered to be "fun".Sometimes people mix recreation with competition.The activities may be the same but the purpose become "winning" .In a winning and losing situation,rivalries often arise over the pursuits and retaliation may occur.The "fun" of recreation has been ruined by the tense of compete and fear for losing.
要求回答画图!
要求回答画图!

tyf2261年前0
共回答了个问题 | 采纳率
大学水平英语作文 题目Smiling - the Better Way to Live 要求You should bas
大学水平英语作文
题目Smiling - the Better Way to Live
要求You should base your composition on the following outline (given in Engllish).Write no less than 120 words.
1.To smile or to frown,which is better?
2.Why do you believe that smiling is a better way to live?
3.Draw a conclusion.
zjtck1年前1
布菊 共回答了21个问题 | 采纳率90.5%
We have two
different faces we can show the world.We can smile,or we can frown.The face
we choose to put on each day affects us a lot.Smiling is,of course,the
better way to live.
Smiling keeps us
healthy.When we frown,we tighten up our faces and our bodies become tense.Our
bodies function better when we are relaxed.A smiling face is a relaxed face.
Smiling makes us feel good,and keeps our bodies working smoothly.Smiling also
makes us look good.No one likes to look at a person who is frowning.Such
people make us want to turn and walk away.If we wear a happy face,then the
world will be more cheerful.Smiling is also important for success in the
business world.A smiling salesman will far outsell a competitor who frowns.A
smiling doctor will help his patients feel at ease and a smiling lawyer will win
the hearts of the jury.
In brief,smiling
improves our lives in every way.As the song says,“ When you’re smiling,when
you’re smiling,when you’re smiling,the whole world smiles with
you.”
Expressing effects
1) sth.affects sb/sth…
2) have an effect on sb/sth...
3) be effective.
4) sth influences sb/sth…
5) have an influence on sb/sth…
6) be influential in doing sth…
英语翻译请勿使用翻译软件,要求语法正确.
王蕊香1年前1
爱丁堡的风 共回答了23个问题 | 采纳率91.3%
I don't want to regret it for the rest of my life.
中文说“一辈子”,英文地道的说法是“the rest of my life”.
因为从说话这一刻算起,可以用来遗憾的已经是“余生”了.
小学作文批改要求
cwk19791年前1
f1245 共回答了12个问题 | 采纳率83.3%
[小学作文批改要求]小学作文批改要求小学作文批改要求
1.批改必须遵循的原则:
(1)内容和形式的统一,小学作文批改要求.
(2)坚持唯物辩证法.注意学生的实际,实事求是,坚持一分为二的观点,坚持发展的观点.
(3)以鼓励表扬为主,批评为辅,坚持正确教育原则.
(4)突出重点,多就少改,批改结合.
(5)启发学生积极开展思维活动,教师在批改过程中考虑让学生自己动脑,想问题,分析问题,解决问题,即让学生自己学会修改.
2.批改的范围:
(1)观点有否错误,认识是否正确,思想感情是否健康.
(2)主题(或中心)是否明确、突出.
(3)选材是否适当,是否合乎道理和事实.
(4)思路是否清晰,段落与层次是否清楚,结构是否完整.
(5)语言是否通顺明白、准确、鲜明.生动的程度怎样,有否用词不当、词不达意或累赘、画蛇添足的情况,表现方法有何优缺点.
(6)有否错别字、怪字.标点符号是否正确.
(7)作文的外形,如格式是否正确,书写是否工整,卷面是否清洁,有无乱涂乱改的情况.
3.批改的注意点:
(1)要有条有理,绝对不要在作文本上乱勾、乱画.
(2)批改语言力求通俗、准确、简练,有鼓励性.要有眉批,总批.
(3)书写工整.总批每字占一格.
(4)批改前要先通览全文,改后要复看一遍,以防有错未改.
(5)做好批改记录,为评讲作准备.
(6)作文评分办法按等级为优、良、及格、待及格四等,也可细分优+、优、优-、良+、良、良-等.
(7)作文等级一律写在题目右边,批改日期一律用汉字写在总批的右下边.
(8)教师批改后,提倡学生根据教师的建议在原文中进行修改.
提倡学生在草稿上进行自改、互改、组改,要求学生从以下十个方面进行批改:
1.格式是否正确
刚开始,使学生感到写作文,批作文都不难.随随便便地写,老师只要求同学们作文的格式正确,批改作文时只写一条关于格式的批语,作文指导《小学作文批改要求》.批作文的时候要抽签,谁都有可能抽到全班任何一个人的.抽到人家的作文本,打开作文一看,格式没锗,便拿出红笔,写上批语:1.格式正确.批文用减分法,此项倘不减分,此文则为满分,然后签上批改人的尊姓大名.
2.卷面是否整洁
显然这一条又是大家都能看得出来的.后进学生批改别人作文,指出卷面不整洁时,下次自己写作文也注意卷面了.
3.错别字几个
发现错字,要将错字在原文处打上标记,并且写到批语处,再在后面写上正字.发现错别字,每两个扣1分,最多扣5分.10个以上也不再多扣,但要一一给予指正.
4.有几处病句
挑出一篇作文中的病句,凡病句,都要在下面划上横线,写出病在何处,再在文后批语中,写清病句几处.每处病句减1分,减至5分,不再多减.
5.标点符号有几处明显错误
强调句号、引号、叹号、问号的使用.发现明显错误的地方,有一处扣一分,有五处扣五分,超过五处,不再多扣.
以上五条,都是写文章最低的要求,学生经过三、四篇文章的批改实践,就能够掌握.再批改两三篇,掌握得比较熟练了,再一条一条地增加新的要求.
6.看文章的中心是否鲜明、集中
这两点在作文指导时,就具体举例,告诉学生什么叫鲜明、集中.学生批改之前,老师先大致看几篇文章,在进行批改指导时,又简介两篇好的文章,再举两篇中心不突出,不集中的例文,学生从老师举的正反两方面的例文,举一反三,就能批得符合实际.
7.看文章的选材
这条批语提三点要求:①是否围绕中心.②是否符合生活实际.③是否具有典型性.这三点中最要紧的是第一点,随着作文水平的提高,才提出选材具有典型性的要求.
8. 看文章的结构
就结构而言,也要写清三点批语:①层次段落是否清晰.②过渡是否自然.③开头和结尾是否照应.
9.看表达方式
主要看其是否符合文章体裁的要求,记叙文以记叙为主,说明文以说明为主,议论文当然以议论为主.除此之外,还要看其是否符合作文指导的要求.
10.看语言是否简练、通顺、准确
语言不简练,重复、罗嗦者酌情扣分,此项不超过二分.语言不通顺,不是指有病句,而是指句与句之间衔接不连贯者,扣分也不超过二分.
后五条要求,每条5分,不做太具体的减分规定,由批改人酌情处理.每个人都要在作文本上写出十个方面的批语,一般情况一篇作文的批语都在200字以上.
学生自批、互批、组批的批改要求
1、格式是否准确.5分.
2、卷面是否整洁.5分.
3、错别字有几个.每两个字扣一分,最多扣5 分,并用相应的符号标出 . 10分.
4、检查病句.每一句扣1 分,最多扣5 分.在病句下面画横线,在旁边写明病在何处,在文后批语中写清病句几处.10 分.
5、标点符号有无明显错误,强调逗号、句号、引号、叹号、问号的使用,明显错误的地方,每错一个扣一分,超过5 分不再多扣.10分.
6、文章的中心.(1)中心是否鲜明;(2)中心是否集中.10 分.
7、文章的选材.(1)是否围绕中心;(2)是否符合生活实际;(3)是否具有典型性.10分.
8、文章结构.(1)层次段落是否清晰;(2)过渡是否自然;(3)开头结尾是否照应.10分.
9、表达方式.是否符合文体要求.10分.
10、语言.(1)是否简练;(2)是否准确;(3)是否生动.20 分.  〔小学作文批改要求〕【征服畏惧、建立自信的最快最确实的方法,就是去做你害怕的事,直到你获得成功的经验.】
急求三人英语情景对话要求:每人一分钟左右对话;高中水平!
wenti0071年前1
als_man 共回答了23个问题 | 采纳率91.3%
我从Arnold Lobel的小故事"Cookies"找到灵感,写下这段对话.感觉挺有意义的.

Will power意志力
Mike(M) Danny(C), Tommy(T)---classmates
Scene----in the college dorm
Danny is playing a computer game on his laptop. Tommy is sleeping.
Mike came back from a morning jogging.


M: hi, Dan, what are u doing?
D: I am playing war craft.
M: Where is Tommy?
D: Shiiiii!
M:What? What's the matter?
D: Don't u see? He is still sleeping.
M: My goodness! I can't believe this! It’s almost nine. He got to get up now. Don't u remember we are required to make up a three people dialogue for tomorrow's oral class?
D: Yes, I do. You wake up Tommy and I will play one more round of war craft.
M: You'd better stop playing right now. We don't have much time to prepare this dialogue. Tommy! Tommy! Wake up! Time to wake up!
T:five more minutes, please.
Mike: No way, Jose. Time really flies.We still have a lot to do. Hurry up.
T: (Tommy sits up in his bed) Can I lie down two more minutes, please, just two more minutes? when Danny finishes his game, I will be fine.(Yawns) I don't know why I am so so sleepy. (Tommy lies down again.)
M: Guys! I am really angry now. Time waits for nobody. If you two don't stop what you are doing now, I will find somebody else to be my partners.
D and T: all right. All right. We listen to u.

M: That's more like it. We need will power.
D and T: what is will power?
M: Will power is trying hard not to do something that you really want to do.
D: You mean like trying not to play war craft?
Mike: right.
T: you mean like trying not to stay up late?
M: right.
Danny turns off his computer. Tommy gets up and goes to the bathroom.
Two minutes later the three maskeetters are working on their assignment.
Danny: Mike, can I take a little break? Let me play one round and we will continue our work?
Tommy: Mike, Can I lie down a minute? My back hurts.
Mike: No! No! No! Let's finish our work first before we do anything. We need will power!
Danny and Tommy: that's true. We need will power! We listen to you.

The end
按照要求变换句型they have ever been to an English - speaking county
按照要求变换句型
they have ever been to an English - speaking county .(一般疑问句)
_______ they ever______ to an English - speaking county .
she has been a flight attendant for two years .(对for two years提问)
________________ she ______________ a flight attendant .
his father has been to America twice .(对twice 提问)
________________ has his father _______________ to America .
Linda is taller than any other girl in her class .(同义句)
Linda is ________________________ girl in her class.
improve ,why ,you ,do ,English ,want ,to ,your (连词成句)
__________________________________________________ .
宝贝琳1年前1
海阔天空dm 共回答了14个问题 | 采纳率92.9%
Have they ever been to an English - speaking county .
How long has she been a flight attendant .
How many time has his father been to America .
Linda is the tallest girl in her class.
Why do you want to improve your English.
改一般疑问句很简单,有be动词的话只要把be动词(be动词一般为:is,are,was were.)提前就好了.如果没有be动词的话就自己加助动词(助动词为:do ,did ,does)加在句首,如果是过去式记得did后面加原型,不要忘了变.一般的考点都是在这里.
对划线句子提问的话,就是根据要提问的东西相对应的写出.例如:时间就是when,个数的话就是how many.等等
同义词的话就是背相等的短语.这是要死记硬背的哦.
连词成句的话就看自己平时的训练了.像这一道题的话,有疑问词的话就放在开头,没有的话就是主语,然后就是be动词了,最后就是要靠事件的发展了(这是自己平常训练的).
x平方-x-15=0要求详细过程
好通1年前1
鹰翔南海 共回答了16个问题 | 采纳率87.5%
x平方-x-15=0 (x-5)(x+3)=0 x=5或x=-3
英语翻译要求,内容基本正确,
dohkp1年前6
lily36 共回答了18个问题 | 采纳率83.3%
月亮是一个天然卫星围绕地球转动,通常我们只看到月亮的一边,因为月亮和地球旋转的速度相同.於一九六九年,火箭阿波罗十一号探索月球.它把月球照片传送回地球.从图片中我们可以看到月亮有很多深谷.这些深谷的形成是由於流星撞向月球而导致的.
我们应该严格要求自已.英语
醉人的春夜20041年前2
lasen 共回答了18个问题 | 采纳率83.3%
We should be strict with ourselves…
人物外貌描写片断符合以下要求1.特点2.通过外貌表现性格3.运用修辞
uu膜破了1年前2
你是我的WGC 共回答了11个问题 | 采纳率100%
她是一个快乐的“假小子:瘦得不堪,体检时医生曾怀疑她是否脊椎突出.也许晒多了太阳,皮肤呈棕黑色,两只乌黑的眸子泛着亮光,特别是她贼贼地笑,更显得机灵可爱.她留着一头利落的短发,奔跑时活像一只小沙鼠.
英语,要求亲自翻译,
dlyjr1年前1
zl57599162 共回答了16个问题 | 采纳率81.3%
Master to lead his study art
1=5,2=153=2154=2145那么5=?要求必须解释
BingoLa1年前5
tymj4 共回答了23个问题 | 采纳率82.6%
如果是中小学数奥题,答案应是43215.
等号右边是把前一个等号两边合起来.
但这是脑筋急转弯.
前面已说1=5
自然5=1
因此答案是5=1
初一上册作文,MY SChoOL DaY 要求连贯.
hh刀1年前1
心栎童话 共回答了19个问题 | 采纳率84.2%
I go to middle school this term.I walk to school everyday.And I have four classes in the morning.I have lunch at school at noon.And I have three classes in the afternoon.After class,I go back home with my friends.This is my school day.
如果没有问题请【好评】,如果有问题请继续留言,我们进行讨论!你们的【好评】是我回答问题的动力,